/Engine/Source/Runtime/Interchange/Core/Public/Nodes/InterchangeBaseNode.h
Retrieve a custom attribute if the attribute exist
namespace InterchangePrivateNodeBase { template<typename ValueType> bool InterchangePrivateNodeBase::GetCustomAttribute ( const [UE::Interchange::FAttributeStorage](API\Runtime\InterchangeCore\Types\FAttributeStorage) & Attributes, const [UE::Interchange::FAttributeKey](API\Runtime\InterchangeCore\Types\FAttributeKey) & AttributeKey, const [FString](API\Runtime\Core\Containers\FString) & OperationName, ValueType & OutAttributeValue ) }